Ofrose Collagen Shampoo 400ml Thanks to the collagen and biotin extracts in its content, it deeply nourishes your hair and makes it look thicker. The unique plant extracts in its content help your hair to grow in a shorter time. . . Recommended for use with other range of products for more effective results Application: Put an adequate amount of shampoo into the palm of your wet hair and apply it well. Repeat the process twice. Then rinse it with plenty of water. It is for daily use. There are no age restrictions for use.